Subtract 15/45 from 75/35
1st number: 2 5/35, 2nd number: 15/45
75/35 - 15/45 is 38/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
75/35 = 75 × 9/35 × 9 = 675/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
15/45 = 15 × 7/45 × 7 = 105/315 - Subtract the two like fractions:
675/315 - 105/315 = 675 - 105/315 = 570/315 - After reducing the fraction, the answer is 38/21
- In mixed form: 117/21
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